$OpenBSD: patch-src_MainSDL_Event_cpp,v 1.1 2017/05/04 22:09:18 espie Exp $

Index: src/MainSDL_Event.cpp
--- src/MainSDL_Event.cpp.orig
+++ src/MainSDL_Event.cpp
@@ -18,6 +18,7 @@
 
 #include <cstdlib>
 #include <cstdio>
+#include <cmath>
 #include <cstring>
 
 #include "Config.h"
